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Weather & Climate in Roissy-en-France, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Roissy-en-France experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 42°F in January while summers reach 67°F in July. The area gets 226 sunny days per year, above the national average. Annual precipitation totals 39.4 inches. The area receives 1.3 inches of snow annually. The city sits at an elevation of 315 feet.
Temperature
42°F Jan (5°C)
67°F Jul (20°C)
| Annual Average | 54.5°F |
| 1% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 226 days/yr |
Geography
| Elevation | 315 ft (96 m) |
| Area | 4.4 sq mi (11.3 km²) |
| Population Density | 607/sq mi |
| Coordinates | 49.0044°N, 2.5170°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
10 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.3.
| Mar 6, 1999 | 2 km W of Vienne-en-Val, France | M3.3 | 137 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 78 km | 7 km |
| Feb 22, 1999 | France | M3.1 | 149 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 88 km | 10 km |
| Jan 5, 1994 | 0 km SSE of Saint-Martin-de-Boscherville, France | M2.7 | 122 km | 10 km |
| Nov 3, 2000 | 5 km ESE of Ouzouer-le-Marché, France | M2.6 | 142 km | 5 km |
| Dec 13, 1992 | 1 km SW of La Mailleraye-sur-Seine, France | M2.5 | 138 km | 10 km |
| Jan 12, 1999 | 5 km ESE of Ouzouer-le-Marché, France | M2.5 | 140 km | 18 km |
| Jun 11, 1997 | 4 km NE of Voves, France | M2.5 | 100 km | 10 km |
| Jun 22, 1999 | 5 km NNE of Oisemont, France | M2.5 | 122 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 2.1 in | |
| February | 39°F (4°C) | 1.8 in | Coldest, Driest |
| March | 44°F (7°C) | 1.9 in | |
| April | 48°F (9°C) | 1.9 in | |
| May | 55°F (13°C) | 2.4 in | Wettest |
| June | 60°F (16°C) | 2.3 in | |
| July | 67°F (20°C) | 2.2 in | Warmest |
| August | 65°F (18°C) | 1.8 in | |
| September | 59°F (15°C) | 2.2 in | |
| October | 52°F (11°C) | 2.3 in | |
| November | 44°F (7°C) | 2.1 in | |
| December | 40°F (4°C) | 2.3 in |
Roissy-en-France has a seasonal temperature swing of 28°F / from 39°F in February to 67°F in July. Total annual precipitation is 25.5 inches, with May being the wettest month (2.4") and February the driest (1.8").